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Earth, Planets and Space
Fig. 3. | Earth, Planets and Space

Fig. 3.

From: Paleointensity determination of Late Cretaceous basalts in northwest South Korea: implications for low and stable paleofield strength in the Late Cretaceous

Fig. 3.

Representative Arai plots of accepted samples from (a–c) the lava flows and (d) the massive basalts observed in the IZZI experiment. Insets show the associated thermal demagnetization behavior for each sample. Solid and open circles indicate the results from in-field/zero-field (IZ) and zero-field/in-field (ZI) procedures, respectively. Triangles represent pTRM checks. Solid lines are the best-fit lines for the selected temperature intervals. Numbers beside solid and open circles show the corresponding temperature (°C) of each heating step.

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